This part is a kind of semiconductor called 2P4M.

Function of this product has 2.0 Ampere Passivated Process Thyristor.

Manufacturers : Thinki Semiconductor

Image and pinout :

Some of the text within the PDF file :

2P4M ® 2P4M Pb Free Plating Product Pb 2.0 Ampere Passivated Process Thyristor---Sensitive Gate SCR DESCRIPTION: ThinkiSemi 2P4M SCR with the parallel resistor between Gate and Cathode are especially recommended for use on straight hair, igniter, anion generator etc.. MAIN FEATURES TO-202 Pkg Outline Symbol Value IT(RMS) IGT VTM 2 ≤200 ≤1.5 ABSOLUTE MAXIMUM RATINGS Unit A μA V Internal structure A(2) K(1) RGK G(3) 3 2 1 Parameter Storage junction temperature range Operating junction temperature range Repetitive peak off-state voltage Repetitive peak reverse voltage Symbol Tstg Tj VDRM VRRM Value -40-150 -40-110 600 600 Unit ℃ ℃ V V RMS on-state current @ (TC=72℃) IT(RMS) 2 A Non repetitive surge peak on-state current (tp=10ms) I2t value for fusing (tp=1 [ ... ]

2P4M PDF Datasheet Download